/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.oozie.coord.input.dependency;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import org.apache.hadoop.io.Writable;
import org.apache.oozie.util.WritableUtils;

public class CoordInputInstance implements Writable {

    private String inputDataInstance = "";
    private boolean availability = false;

    public CoordInputInstance() {

    }

    public CoordInputInstance(String inputDataInstance, boolean availability) {
        this.inputDataInstance = inputDataInstance;
        this.availability = availability;

    }

    /**
     * Gets the input data instance.
     *
     * @return the input data instance
     */
    public String getInputDataInstance() {
        return inputDataInstance;
    }

    /**
     * Checks if is available.
     *
     * @return true, if is available
     */
    public boolean isAvailable() {
        return availability;
    }

    public void setAvailability(boolean availability) {
        this.availability = availability;
    }

    @Override
    public String toString() {
        return getInputDataInstance() + " : " + isAvailable();
    }

    @Override
    public void write(DataOutput out) throws IOException {
        WritableUtils.writeStr(out, inputDataInstance);
        out.writeBoolean(availability);

    }

    @Override
    public void readFields(DataInput in) throws IOException {
        inputDataInstance = WritableUtils.readStr(in);
        availability = in.readBoolean();
    }

}
